Finding the Fourth Proportional to 966,473.10, 1,333,838.63 and 553,048.09
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Solution
The fourth proportional to 966,473.10, 1,333,838.63 and 553,048.09 is: 763,266.87
Step by Step Solution
- Step 1: Write the proportion equation
966,473.10 : 1,333,838.63 = 553,048.09 : x - Step 2: Convert to fraction form
966,473.10/1,333,838.63 = 553,048.09/x - Step 3: Cross multiply
966,473.10x = 1,333,838.63 × 553,048.09 - Step 4: Simplify right side
966,473.10x = 737,676,901,626.85 - Step 5: Solve for x
x = 737,676,901,626.85/966,473.10 - Step 6: Final answer
x = 763,266.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.